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General Description

NFA31512L72 is an advanced IPM module providing

a fully?featured, high?performance inverter output stage for AC

Induction, BLDC and PMSM motors. These modules integrate

optimized gate drive of the built?in IGBTs to minimize EMI

and losses, while also providing multiple on?module protection

features including under?voltage lockouts, over?current shutdown,

thermal monitoring of drive IC, and fault reporting. The built?in,

high?speed HVIC requires only a single supply voltage and translates

the incoming logic?level gate inputs to the high?voltage, high?current

drive signals required to properly drive the module’s internal IGBTs.

Separate negative IGBT terminals are available for each phase

to support the widest variety of control algorithms.

Features

? 1200 V/15 A 3?phase FS7 IGBT Inverter with Integral Gate

Drivers and Protections

? Built?in Under?Voltage Protection (UVP)

? Separated Open?Emitter Pins from Low?Side IGBTs for

Three?Phase Current Sensing

? LVIC Temperature?Sensing Built?In for Temperature Monitoring

? Isolation Rating: 2500 Vrms / 1 min.

? This Device is Pb?Free and is RoHS Compliant

Typical Applications

? Industrial Drives

? Industrial Pumps

? Industrial Fans

? Industrial Automation

Integrated Power Functions

? 1200 V ? 15 A IGBT inverter for three?phase DC / AC power

conversion (Please refer to Figure 1)

Integrated Drive, Protection and System Control Functions

? For Inverter High?side IGBTs: gate drive circuit, high?voltage

isolated high?speed level shifting control circuit Under?Voltage

Lock?Out Protection (UVLO)

? For Inverter Low?side IGBTs: gate drive circuit, Over Current

Protection (OCP) control supply circuit Under?Voltage Lock?Out

Protection (UVLO)

? Fault Signaling: corresponding to UVLO (low?side supply)

and over current fault

? Input Interface: active?HIGH interface, works with 3.3 / 5 V logic,

Schmitt?trigger input